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Fri, 22 May 2026 01:56:53 -0700 (PDT) Received: from thomas-precision3591.wifi.univ-lorraine.fr ([2001:660:4503:4242:16c2:6758:c5ad:949e]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-4904174a145sm18607125e9.0.2026.05.22.01.56.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2026 01:56:52 -0700 (PDT) From: Thomas Fourier To: Cc: Thomas Fourier , stable@vger.kernel.org, Dmitry Torokhov , Dan Carpenter , Seungjin Bae , Sanghoon Choi , Kees Cook , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] Input: ims-pcu - fix usb_free_coherent() size in ims_pcu_buffers_alloc() Date: Fri, 22 May 2026 10:54:04 +0200 Message-ID: <20260522085412.45430-2-fourier.thomas@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The input buffer size is pcu->max_in_size, but pcu->max_out_size is passed to usb_free_coherent(). Change size to match the allocation size. Fixes: 628329d52474 ("Input: add IMS Passenger Control Unit driver") Cc: Signed-off-by: Thomas Fourier --- drivers/input/misc/ims-pcu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c index 4c022a36dbe8..7a1cb9333f53 100644 --- a/drivers/input/misc/ims-pcu.c +++ b/drivers/input/misc/ims-pcu.c @@ -1624,7 +1624,7 @@ static void ims_pcu_buffers_free(struct ims_pcu *pcu) usb_kill_urb(pcu->urb_in); usb_free_urb(pcu->urb_in); =20 - usb_free_coherent(pcu->udev, pcu->max_out_size, + usb_free_coherent(pcu->udev, pcu->max_in_size, pcu->urb_in_buf, pcu->read_dma); =20 kfree(pcu->urb_out_buf); --=20 2.43.0